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/*=========================================================================
*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef itkContourMeanDistanceImageFilter_hxx
#define itkContourMeanDistanceImageFilter_hxx
#include "itkContourMeanDistanceImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkProgressAccumulator.h"
#include "itkContourDirectedMeanDistanceImageFilter.h"
namespace itk
{
template< typename TInputImage1, typename TInputImage2 >
ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::ContourMeanDistanceImageFilter()
{
// this filter requires two input images
this->SetNumberOfRequiredInputs(2);
m_MeanDistance = NumericTraits< RealType >::ZeroValue();
m_UseImageSpacing = true;
}
template< typename TInputImage1, typename TInputImage2 >
void
ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::SetInput1(const InputImage1Type *image)
{
this->SetInput( image );
}
template< typename TInputImage1, typename TInputImage2 >
void
ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::SetInput2(const TInputImage2 *image)
{
this->SetNthInput( 1, const_cast< TInputImage2 * >( image ) );
}
template< typename TInputImage1, typename TInputImage2 >
const typename ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::InputImage1Type *
ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::GetInput1()
{
return this->GetInput();
}
template< typename TInputImage1, typename TInputImage2 >
const typename ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::InputImage2Type *
ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::GetInput2()
{
return itkDynamicCastInDebugMode< const TInputImage2 * >
( this->ProcessObject::GetInput(1) );
}
template< typename TInputImage1, typename TInputImage2 >
void
ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::GenerateInputRequestedRegion()
{
Superclass::GenerateInputRequestedRegion();
// this filter requires:
// - the largeset possible region of the first image
// - the corresponding region of the second image
if ( this->GetInput1() )
{
InputImage1Pointer image1 =
const_cast< InputImage1Type * >( this->GetInput1() );
image1->SetRequestedRegionToLargestPossibleRegion();
if ( this->GetInput2() )
{
InputImage2Pointer image2 =
const_cast< InputImage2Type * >( this->GetInput2() );
image2->SetRequestedRegion(
this->GetInput1()->GetRequestedRegion() );
}
}
}
template< typename TInputImage1, typename TInputImage2 >
void
ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::EnlargeOutputRequestedRegion(DataObject *data)
{
Superclass::EnlargeOutputRequestedRegion(data);
data->SetRequestedRegionToLargestPossibleRegion();
}
template< typename TInputImage1, typename TInputImage2 >
void
ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::GenerateData()
{
// Pass the first input through as the output
InputImage1Pointer image =
const_cast< TInputImage1 * >( this->GetInput1() );
this->GraftOutput(image);
// Create a process accumulator for tracking the progress of this minipipeline
ProgressAccumulator::Pointer progress = ProgressAccumulator::New();
progress->SetMiniPipelineFilter(this);
typedef ContourDirectedMeanDistanceImageFilter< InputImage1Type, InputImage2Type >
Filter12Type;
typename Filter12Type::Pointer filter12 = Filter12Type::New();
filter12->SetInput1( this->GetInput1() );
filter12->SetInput2( this->GetInput2() );
filter12->SetUseImageSpacing( m_UseImageSpacing );
typedef ContourDirectedMeanDistanceImageFilter< InputImage2Type, InputImage1Type >
Filter21Type;
typename Filter21Type::Pointer filter21 = Filter21Type::New();
filter21->SetInput1( this->GetInput2() );
filter21->SetInput2( this->GetInput1() );
filter21->SetUseImageSpacing( m_UseImageSpacing );
// Register the filter with the with progress accumulator using
// equal weight proportion
progress->RegisterInternalFilter(filter12, .5f);
progress->RegisterInternalFilter(filter21, .5f);
filter12->Update();
RealType distance12 = filter12->GetContourDirectedMeanDistance();
filter21->Update();
RealType distance21 = filter21->GetContourDirectedMeanDistance();
if ( distance12 > distance21 )
{
m_MeanDistance = distance12;
}
else
{
m_MeanDistance = distance21;
}
}
template< typename TInputImage1, typename TInputImage2 >
void
ContourMeanDistanceImageFilter< TInputImage1, TInputImage2 >
::PrintSelf(std::ostream & os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "UseImageSpacing: "
<< m_UseImageSpacing << std::endl;
os << indent << "MeanDistance: "
<< m_MeanDistance << std::endl;
}
} // end namespace itk
#endif
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